Enables transcription cis-regulatory region binding activity. Involved in epidermis development. Acts upstream of or within desmosome organization; establishment of skin barrier; and regulation of keratinocyte differentiation. Located in nucleus. Is expressed in several structures, including alimentary system; central nervous system; genitourinary system; heart; and sensory organ. Orthologous to human GRHL1 (grainyhead like transcription factor 1). [provided by Alliance of Genome Resources, Apr 2022]